policy

nouns

a plan of action adopted by an individual or social group
"it was a policy of retribution"; "a politician keeps changing his policies"
is a type of (narrower)
a plan for actively doing something
a line of argument rationalizing the course of action of a government
"they debated the policy or impolicy of the proposed legislation"
is a type of (narrower)
a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning
"I can't follow your line of reasoning"
written contract or certificate of insurance
"you should have read the small print on your policy"